The check-latest-minor-version validation checks if the latest minor version of tripleoclient is installed on the Undercloud. This validation checks the python-tripleoclient package but on RHEL8, it is called python3-tripleoclient. On RHEL/CentOS 7 the package is called python2-tripleoclient.

```
(undercloud) [stack@undercloud ~]$ run-validations.sh --validation-name check-latest-minor-version
Task 'check-latest-minor-version : Get available updates for packages' failed:
Host: undercloud
Message: Error: No matching Packages to list


Failure! The validation failed for all hosts:
* undercloud
```

```
TASK [check-latest-minor-version : Get available updates for packages] ***********************************************************************************************************************************************************************************************************
task path: /usr/share/openstack-tripleo-validations/roles/check-latest-minor-version/tasks/main.yml:2
<localhost> ESTABLISH LOCAL CONNECTION FOR USER: stack
<localhost> EXEC /bin/sh -c '( umask 77 && mkdir -p "` echo /tmp/ansible-${USER}/ansible-tmp-1560418496.0-123944550141169 `" && echo ansible-tmp-1560418496.0-123944550141169="` echo /tmp/ansible-${USER}/ansible-tmp-1560418496.0-123944550141169 `" ) && sleep 0'
Using module file /usr/share/openstack-tripleo-validations/library/check_package_update.py
<localhost> PUT /home/stack/.ansible/tmp/ansible-local-776958pBEZlZ/tmpReU3O0 TO /tmp/ansible-stack/ansible-tmp-1560418496.0-123944550141169/AnsiballZ_check_package_update.py
<localhost> EXEC /bin/sh -c 'chmod u+x /tmp/ansible-stack/ansible-tmp-1560418496.0-123944550141169/ /tmp/ansible-stack/ansible-tmp-1560418496.0-123944550141169/AnsiballZ_check_package_update.py && sleep 0'
<localhost> EXEC /bin/sh -c '/usr/bin/python2 /tmp/ansible-stack/ansible-tmp-1560418496.0-123944550141169/AnsiballZ_check_package_update.py && sleep 0'
failed: [undercloud] (item=python-tripleoclient) => {
    "ansible_loop_var": "item", 
    "changed": false, 
    "invocation": {
        "module_args": {
            "package": "python-tripleoclient", 
            "pkg_mgr": "yum"
        }
    }, 
    "item": "python-tripleoclient", 
    "msg": "Error: No matching Packages to list\n"
}
```